>3S8K_1|Chains A, B|Latex serine proteinase inhibitor|Carica papaya (3649) VAPKPIVDIDGKPVLYGVDYFVVSAIWGAGGGGLTVYGPGNKKKCPLSVVQDPFDNGEPIIFSAIKNVKDNIVRESVDLNVKFNITINCNETTAWKVDRFPGVIGWTVTLGGEKGYHGFESTHSMFKIKKAGLPFSYKFHFCPSYPRTRLIPCNNVDIFFDKYRIRRLILTNDAKEFVFIKTNR